Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Monterey Bay

Dragon – Residency

12th sighting in Monterey Bay
Fluke of Dragon
Dragon Confirmed in the catalog @1069
Aug 20 – Oct 6, 2021 · Monterey Bay

Monterey Bay · Aug – Oct 2021

104 m
Deepest dive
3:32
Longest dive
37
Dives
Sightings
5
Days between first and last sighting
47

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 20, 2021667 m15.7°C104 m
Sep 15, 202163 m16.1°C47 m
Sep 18, 2021222 m16.2°C65 m
Sep 18, 2021329 m16.2°C29 m
Oct 6, 202149 m15.5°C43 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Aug 20, 2021 — seafloor 667 m (measured), deepest dive 104 m (modelled)Aug 20Sep 15, 2021 — seafloor 63 m (measured), deepest dive 47 m (modelled)Sep 15Sep 18, 2021 — seafloor 222 m (measured), deepest dive 65 m (modelled)Sep 18Sep 18, 2021 — seafloor 329 m (measured), deepest dive 29 m (modelled)Sep 18Oct 6, 2021 — seafloor 49 m (measured), deepest dive 43 m (modelled)Oct 6

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

104 m
Deepest dive
3:32
Longest dive
37
Dives
26 m
Avg dive depth
5
Sightings
47
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150104 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (667 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Aug 20, 2021

measured
Seafloor depth
667 m
Sea-surface temperature
15.7°C
Distance from shore
8.0 km

Across the residency · 5 sightings

measured
Seafloor depth
49 m – 667 m
Sea-surface temperature
15.5°C – 16.2°C
Distance from shore
3.0 km – 8.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 5 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.